}
*/
import "C"

import (
	"io"
	"runtime/pprof"
	"time"
)

func goSpin() {
	start := time.Now()
	for n := 0; n < 1<<20; n++ {
		_ = make([]byte, n)
		if time.Since(start) > 50*time.Millisecond {
			break
		}
	}
}

func main() {
	pprof.StartCPUProfile(io.Discard)
	go C.spin()
	goSpin()
	pprof.StopCPUProfile()

stdout '^\tbuild\tvcs.modified=false$'
rm $GOBIN/a$GOEXE

# Building with -buildvcs=false suppresses the info.
go install -buildvcs=false
go version -m $GOBIN/a$GOEXE
! stdout vcs.revision
rm $GOBIN/a$GOEXE

# An untracked file is shown as modified, even if it isn't part of the build.
cp ../../outside/empty.txt .
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs=fossil\n'
stdout '^\tbuild\tvcs.modified=true$'

env GO111MODULE=off
[short] skip

# Without $GOBIN set, binaries should be installed into the GOPATH bin directory.
env GOBIN=
rm $GOPATH/bin/go-cmd-test$GOEXE
go install go-cmd-test
exists $GOPATH/bin/go-cmd-test$GOEXE

# With $GOBIN set, binaries should be installed to $GOBIN.
env GOBIN=$WORK/bin1
mkdir -p $GOBIN
go install go-cmd-test
exists $GOBIN/go-cmd-test$GOEXE

# Check that commands in cmd are install to $GOROOT/bin, not $GOBIN.
# Verifies golang.org/issue/32674.
env GOBIN=gobin
mkdir gobin
go list -f '{{.Target}}' cmd/go
stdout $GOROOT${/}bin${/}go$GOEXE

# Check that tools are installed to $GOTOOLDIR, not $GOBIN.
go list -f '{{.Target}}' cmd/compile

go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.modified=true$'
rm empty.txt
rm $GOBIN/a$GOEXE

# An edited file is shown as modified, even if it isn't part of the build.
cp ../../outside/empty.txt ../README
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.modified=true$'
exec bzr revert ../README
rm $GOBIN/a$GOEXE

-- $WORK/fakebin/bzr --
#!/bin/sh
exit 1

rm $GOBIN/a$GOEXE

# Building with -buildvcs=false suppresses the info.
go install -buildvcs=false
go version -m $GOBIN/a$GOEXE
! stdout vcs.revision
rm $GOBIN/a$GOEXE

# An untracked file is shown as uncommitted, even if it isn't part of the build.
cp ../../outside/empty.txt .
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.modified=true$'
rm empty.txt
rm $GOBIN/a$GOEXE

exec $GOBIN/mtime errors.test$GOEXE
cp stdout errors1_mod_time.txt
exec $GOBIN/before start_time.txt errors1_mod_time.txt
rm start_time.txt errors1_mod_time.txt

# Check errors2.test mtime is updated
exec $GOBIN/now
cp stdout start_time.txt
go test -x -c -o errors2.test errors
! stderr '[\\/]link|gccgo' # make sure up-to-date test binary is not relinked
exec $GOBIN/mtime errors2.test

# Install an env command because Windows and plan9 don't have it.
env GOBIN=$WORK/tmp/bin
go install env.go
[GOOS:plan9] env path=$GOBIN${:}$path
[!GOOS:plan9] env PATH=$GOBIN${:}$PATH

# Test generators have access to the environment
go generate ./printenv.go
stdout '^GOARCH='$GOARCH
stdout '^GOOS='$GOOS
stdout '^GOFILE='
stdout '^GOLINE='
stdout '^GOPACKAGE='
stdout '^DOLLAR='

-- env.go --
package main

import (
	"fmt"

env GOBIN=.
! go install
stderr 'cannot install, GOBIN must be an absolute path'

-- go.mod --
module triv

go 1.16
-- triv.go --
package main

exec hg commit -m 'initial commit'
cd a
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.revision='
stdout '^\tbuild\tvcs.time='
stdout '^\tbuild\tvcs.modified=false$'
rm $GOBIN/a$GOEXE

# Building with -buildvcs=false suppresses the info.
go install -buildvcs=false
go version -m $GOBIN/a$GOEXE
! stdout hgrevision
rm $GOBIN/a$GOEXE